Question

what is the minimum value of a²+b²​

Answer 1

Answer:

if a can be equal to b then answer is 0

Answer 2

minimum value can be 0.

they usually find a^2+b^2 through the following method....

(a+b)^2= a^2+2ab+b^2

a^2+b^2= (a+b)^2-2ab